Intake Air Heater Feedback Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0540

Help Request

Posted

2003 GMC C4500 Topkick C4C042 6.6L Cuts outVIN: 1GDE4E1103P0540: Intakr air temp. ... 5-10 minutes, then
just shut off like you turned the key off. No warning, no
surging, just from idle to off. The only way to restart it
is to manually pump / prime the fuel system again under the
hood, but that will only last a few minutes. This has been
g...

2003 GMC C4500 Topkick C4C042 6.6L Cuts outVIN: 1GDE4E1103P0540: Intakr air temp. ... 5-10 minutes, then
just shut off like you turned the key off. No warning, no
surging, just from idle to off. The only way to restart it
is to manually pump / prime the fuel system again under the
hood, but that will only last a few minutes. This has been
g...

2003 GMC C4500 Topkick C4C042 6.6L Cuts outVIN: 1GDE4E1103P0540: Intakr air temp. ... 5-10 minutes, then
just shut off like you turned the key off. No warning, no
surging, just from idle to off. The only way to restart it
is to manually pump / prime the fuel system again under the
hood, but that will only last a few minutes. This has been
g...